<template>
	<view>
  <!-- <page-head title="title"></page-head> -->
  <!--页面标题头begin-->
  <view class="smart-page-head">
    <view class="smart-page-head-title">checkbox多选框</view>
  </view>
  <!--页面标题头end-->
  <view class="uni-padding-wrap uni-common-mt">
    <view class="uni-title uni-common-mt">默认样式</view>
    <view>
      <checkbox-group>
        <label>
          <checkbox value="cb1" checked="true" />选中
        </label>
        <label>
          <checkbox value="cb" />未选中
        </label>
      </checkbox-group>
    </view>
    <view class="uni-title uni-common-mt">不同颜色和尺寸的checkbox</view>
    <view>
      <checkbox-group>
        <label>
          <checkbox value="cb1" checked="true" color="#FFCC33" style="transform:scale(0.7)" />选中
        </label>
        <label>
          <checkbox value="cb" color="#FFCC33" style="transform:scale(0.7)" />未选中
        </label>
      </checkbox-group>
    </view>
  </view>
  
  <view class="uni-padding-wrap">
    <view class="uni-title uni-common-mt">
      推荐展示样式
      <text>\n使用 uni-list 布局</text>
    </view>
  </view>
  <view class="uni-list">
    <checkbox-group @change="checkboxChange">
      <label class="uni-list-cell uni-list-cell-pd" v-for="item in items" :key="item.value">
        <view>
          <checkbox :value="item.value" :checked="item.checked" />
        </view>
        <view>{{item.name}}</view>
      </label>
    </checkbox-group>
  </view>
  </view>
</template>

<script>
export default {
  data() {
    return {
      title: 'checkbox 复选框',
      items: [{
        value: 'USA',
        name: '美国'
      }, 
	  {
        value: 'CHN',
        name: '中国',
        checked: 'true'
      }, 
	  {
        value: 'BRA',
        name: '巴西'
      }, 
	  {
        value: 'JPN',
        name: '日本'
      }, 
	  {
        value: 'ENG',
        name: '英国'
      }, 
	  {
		  value: 'FRA',
		  name: '法国'
	  }
	  
	  ]
    }
},

methods: {
  checkboxChange: function (e) {
    var items = this.items;
    values = e.detail.value;
    for (var i = 0, lenI = items.length; i < lenI; ++i) {
      const item = items[i]
      if(values.indexOf(item.value) >= 0){
        this.$set(item,'checked',true)
      }else{
        this.$set(item,'checked',false)
      }
    }
  }
}
}
</script>


<style>
.uni-list-cell {
	justify-content: flex-start
}
</style>
